What does jtm stand for marshall

The amps initially had power tubes. If not available, 6L6s were used. By , they were changed to KT66s. All of them had the GZ34 rectifier tube. Lead model according to the poster. Note the GZ34 rectifier tube on the right corner of the chassis. Same amp as above. In , the combo amps known as Bluesbreaker amps were introduced. This prompted Marshall to start designating model numbers to keep track of all the models they were producing.

They were all still part of the JTM series. JTM50 on the front panel. Note: KT66 tubes. GZ34 rect. Change to EL34s took place around , because they were more plentiful and cheaper — at which point all the amps were rated at 50w and justified the new name. Term » Abbreviation. Word in Term. Term » Abbr. Filter by: Select category from list Couldn't find the full form or full meaning of JTM?

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National Broadcasting Consortium. The cabinet might be from the same period. On the other hand, it might be possible that Knopfler left the original Celestion 20w speakers in this vintage cabinet, at least this is what I would have done. The EV12L has more treble than the Celestions, however, the Celestion are softer but have a distinctive presence peak. Note the little patch cable that connects the second input of the right channel with the input of the left channel.

This trick allows you to use both channels at the same time which results in a fatter sound.